In-line skate frame



FIG. 1 provides a perspective view of an in-line skate frame showing my new design;

FIG. 2 provides a side elevation view thereof, the opposite side not shown being substantially identical; and,

FIGS. 3, 4 and 5 are bottom plan, front and rear elevation views thereof, respectively.

The broken line showing of a skate boot and wheels in FIG. 2 are for illustration purposes only and are not part of the claimed design. 

The ornamental design for an in-line skate frame, as shown and described. 